Thiokol

[thahy-uh-kawl, -kol]

nounTrademark.

a brand name for any of a group of durable synthetic rubber products derived from an organic halide, as ethylene dichloride, C2H4Cl2, and an alkaline polysulfide, as sodium polysulfide: used chiefly in the manufacture of sealants, adhesives, and hoses for gasoline and oil.